Dr. Yujung Feng Profile

Dr. Yujung Feng

at Univ of Southampton

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Proceedings Article | 5 March 2021 Presentation

Reconfigurable structured light generation in a multicore fiber amplifier

Di Lin, Joel Carpenter, Yutong Feng, Yongmin Jung, Saurabh Jain, Yujung Feng, Michalis Zervas, David Richardson

Proceedings Volume 11665, 116651F (2021) https://doi.org/10.1117/12.2588433

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We describe an approach capable of generating structured light beams from a compact laser source based on the coherent combination of multiple tailored Gaussian beams emitted from a multicore fiber (MCF) amplifier. We report a proof-of-concept structured light generation experiment, using a cladding-pumped 7-core MCF amplifier as an integrated parallel amplifier array and a spatial light modulator to actively control the amplitude, polarization and phase of the signal light input to each fiber core. We demonstrate the generation of various structured light beams including high-order linearly polarized spatial fiber modes, cylindrical vector beams and helical phase front optical vortex beams.

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